full-disclosure - Mozilla Security Advisory 2004-07-08

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From: skylined at edup.tudelft.nl (Berend-Jan Wever)
Subject: Mozilla Security Advisory 2004-07-08

The advisory mentions that combining this with a BoF can result in remote code execution, but they totally forget to mention that formatstring exploits, integeroverflows, XSS, SQL injection, etc... might cause the same problems too. I bet they just read FD and didn't think for themselves. As far as I can see, this bug allows an attacker to remotely abuse any vulnerability a local program might be subject to, thus making any local exploit a possible remote exploit.

Cheers,
SkyLined
----- Original Message ----- 
From: <dveditz@...zio.com>
To: <full-disclosure@...ts.netsys.com>
Sent: Friday, July 09, 2004 00:36
Subject: [Full-Disclosure] Mozilla Security Advisory 2004-07-08


> Mozilla Security Advisory
> July 7, 2004
> 
> Summary:    Windows shell: scheme exposed in Mozilla
> Products:   Mozilla (Suite)
>             Mozilla Firefox
>             Mozilla Thunderbird
> Fixed in:   Mozilla (Suite) 1.7.1
>             Mozilla Firefox 0.9.2
>             Mozilla Thunderbird 0.7.2
> 
> 
> Description:
>     Windows versions of Mozilla products pass URIs using the shell: scheme
>     to the OS for handling. The effects depend on the version of windows,
>     but on Windows XP it is possible to launch executables in known
>     locations or the default handlers for file extensions. It could be
>     possible to combine this effect with a known buffer overrun in one
>     of these programs to create a remote execution exploit, although
>     at this time we have confirmed only denial-of-service type attacks
>     (including crashing the system in some cases).
> 
> Solution:
>     We urge people to install the patch available on mozilla.org or
>     install the latest version of the software.
> 
>     http://www.mozilla.org/security/shell.html
> 
> -Dan Veditz
> Mozilla Security Group
> 
> 
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